netdev - [net-next 09/15] net/mlx5e: Add error flow when failing update

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Message-Id: <20221112102147.496378-10-saeed@kernel.org>
Date:   Sat, 12 Nov 2022 02:21:41 -0800
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>
Cc:     Saeed Mahameed <saeedm@...dia.com>, netdev@...r.kernel.org,
        Tariq Toukan <tariqt@...dia.com>,
        Guy Truzman <gtruzman@...dia.com>, Aya Levin <ayal@...dia.com>
Subject: [net-next 09/15] net/mlx5e: Add error flow when failing update_rx

From: Guy Truzman <gtruzman@...dia.com>

Up until now, return value of update_rx was ignored. Therefore, flow
continues even if it fails. Add error flow in case of update_rx fails in
mlx5e_open_locked, mlx5i_open and mlx5i_pkey_open.

Signed-off-by: Guy Truzman <gtruzman@...dia.com>
Reviewed-by: Aya Levin <ayal@...dia.com>
Reviewed-by: Tariq Toukan <tariqt@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c          | 7 ++++++-
 drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c      | 7 ++++++-
 drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c | 6 +++++-
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 5df04e002589..14bd86e368d5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -3069,7 +3069,10 @@ int mlx5e_open_locked(struct net_device *netdev)
 	if (err)
 		goto err_clear_state_opened_flag;
 
-	priv->profile->update_rx(priv);
+	err = priv->profile->update_rx(priv);
+	if (err)
+		goto err_close_channels;
+
 	mlx5e_selq_apply(&priv->selq);
 	mlx5e_activate_priv_channels(priv);
 	mlx5e_apply_traps(priv, true);
@@ -3079,6 +3082,8 @@ int mlx5e_open_locked(struct net_device *netdev)
 	mlx5e_queue_update_stats(priv);
 	return 0;
 
+err_close_channels:
+	mlx5e_close_channels(&priv->channels);
 err_clear_state_opened_flag:
 	clear_bit(MLX5E_STATE_OPENED, &priv->state);
 	mlx5e_selq_cancel(&priv->selq);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
index 4e3a75496dd9..7c5c500fd215 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
@@ -561,12 +561,17 @@ static int mlx5i_open(struct net_device *netdev)
 	if (err)
 		goto err_remove_fs_underlay_qp;
 
-	epriv->profile->update_rx(epriv);
+	err = epriv->profile->update_rx(epriv);
+	if (err)
+		goto err_close_channels;
+
 	mlx5e_activate_priv_channels(epriv);
 
 	mutex_unlock(&epriv->state_lock);
 	return 0;
 
+err_close_channels:
+	mlx5e_close_channels(&epriv->channels);
 err_remove_fs_underlay_qp:
 	mlx5_fs_remove_rx_underlay_qpn(mdev, ipriv->qpn);
 err_reset_qp:
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c
index 0227a521d301..4d9c9e49645c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c
@@ -221,12 +221,16 @@ static int mlx5i_pkey_open(struct net_device *netdev)
 		mlx5_core_warn(mdev, "opening child channels failed, %d\n", err);
 		goto err_clear_state_opened_flag;
 	}
-	epriv->profile->update_rx(epriv);
+	err = epriv->profile->update_rx(epriv);
+	if (err)
+		goto err_close_channels;
 	mlx5e_activate_priv_channels(epriv);
 	mutex_unlock(&epriv->state_lock);
 
 	return 0;
 
+err_close_channels:
+	mlx5e_close_channels(&epriv->channels);
 err_clear_state_opened_flag:
 	mlx5e_destroy_tis(mdev, epriv->tisn[0][0]);
 err_remove_rx_uderlay_qp:
-- 
2.38.1